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Opto 22 AC7 RS-232 to 422/485 Converter, 4000 VAC Isolation

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Specifications for this item
Number of Items
Part Number
Temperature Range
0/70  Degrees Celsius
Brand Name
Opto 22
Upper Temperature Range
70  Degrees Celsius

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Key Features

  • RS-422 balanced line drivers
  • Operates with up to 5,000 feet of RS-422 twisted-pair cable
  • Optical isolation between RS-232 and RS-422 lines
  • Visual LED indicators for transmit and receive lines
  • Transmission speeds up to 38,400 bits per second

Package Details

Shipping Weight: 0.4 pounds
Package Size: 6.7 x 4.7 x 2.9 inches

Product Description

The AC7 is a stand-alone adapter card that converts RS-232 serial communication to RS-422 serial communication, which is directly compatible with the Optomux family of intelligent brain boards. Power Requirements (Optical Isolation Mode): 200mA at +5 VDC, 50 mA at +12 VDC, 50 mA at -12 VDC; Voltage Tolerace: +/- 0.1 VDC. Power Requirements (Non-Isolated Mode): 200 mA at +12 VDC VDC 5, 0 mA at -12 VDC; Voltage Tolerace: +/- 0.1. Operating temperature Range: 0 Degree C to 70 Degree C, 0 to 95 percent Humidity (non-condensing). Isolation: 4,000 VAC (RS-232 to RS-422). RS-232 Interface: 25-pin, DB-25 female connector. RS-422/485 Interface: Screw terminals. Baud Rate: Up to 38,400 baud (Boards earlier than Rev.1 are limited to 19,200 baud). RS-232 Distance: Up to 50 feet. RS-422/485 Distance: Up to 5,000 feet. Communications: RS-422 full duplex over two twisted pairs and a signal common. Shielded cable recommended. Does not support RS-485 2-wire mode (see AC7A/B). Indicators: Transmit, Receive.


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